Skip to main content
. 2012 Dec;9(4):366–374. doi: 10.3724/SP.J.1263.2012.04161

Figure 6. mRNA expression of HCN4 and HCN2 from PVs myocytes and current characteristics with HEK cells.

Figure 6.

(A) & (B) showed that HCN2 and HCN4 mRNA expression levels of control and RAP groups. Current traces of HCN4 and HCN2 from Control and RAP PVs cells was showed in (C) and (D); (E): peak current densities of HCN4 and HCN2 from PVs in RAP model at test potential of –120 mV; (F): I-V relationship curve showed that HCN4 current densities were significantly higher in RAP than in control cells range of –80 and -120 mV, but not HCN2. HCN: hyperpolarisation activated cyclic nucleotide-gated channels PVs: pulmonary vein sleeves; RAP: rapid atrial pacing.